In this paper, with the help of corpus which was changed by the Harbin Institute of Technology Information Retrieval Laboratory's Chinese dependency-based Treebank and by using the parser MaltParser as an implementation tool, this paper proposed and implementation a Chinese dependency parsing algorithm, in order to effectively identify the right boundary of the prepositional phrases that contains a verb. Empirical results show that this algorithm has improved the error when analyze the prepositional phrase containing a verb.